M8 Sem1 Day Two OPTIONAL Practice Test (unit3&4)

Front

What is the y-intercept in the equation y = -3x + 7?

Back

The y-intercept is 7.

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Front

What does section C of Timmy's distance graph indicate?

Back

Timmy is walking back to school because he forgot his math book.

Tags

CCSS.HSF.IF.B.4

Front

Solve the equation: 2(2x + 3) = -6(x + 9)

Back

x = -6.

Front

How many days does it take for the plant to reach a height of 7 cm?

Back

It takes 6 days.

Front

What type of slope does the graph have if it is horizontal?

Back

The slope is Zero.

Tags

CCSS.8.EE.B.5

Front

Define y-intercept.

Back

The y-intercept is the point where a line crosses the y-axis.

Front

What does a negative slope indicate about a graph?

Back

A negative slope indicates that as x increases, y decreases.

Tags

CCSS.8.EE.B.5

Front

What is the formula for calculating slope?

Back

Slope (m) = (y2 - y1) / (x2 - x1).

Tags

CCSS.8.EE.B.5

Front

What does it mean if a graph has an undefined slope?

Back

An undefined slope means the line is vertical.

Tags

CCSS.8.EE.B.5

Front

What is the significance of the point (0, b) in a linear equation?

Back

It represents the y-intercept of the line.

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3